<?php

/*
Copyright 2009-2011 Sam Weiss
All Rights Reserved.

This file is part of Spark/Plug.

Spark/Plug is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

if (!defined('spark/plug'))
{
	header('HTTP/1.1 403 Forbidden');
	exit('<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN"><html><head><title>403 Forbidden</title></head><body><h1>Forbidden</h1><p>You don\'t have permission to access the requested resource on this server.</p></body></html>');
}

// -----------------------------------------------------------------------------

class SparkSession extends SparkPlug
{
	public $session = NULL;

	// --------------------------------------------------------------------------

	public function __construct()
	{
		static $session = NULL;		// avoid infinite recursion

		parent::__construct();

		if (!$session)
		{
			$session = true;
			$session = self::loadSession($this->config->get('session'));
		}

		$this->session = $session;
	}

	// --------------------------------------------------------------------------

	final public function loadSession($params = NULL)
	{
		// $params may be one of:
		//		1) empty (use default session config)
		//		2) array (explicit session settings)
		
		// first, determine the label for the requested connection
		
		if (empty($params))
		{
			$params = $this->config->get('session');
		}

		if (!class_exists($adapterClass = 'SparkSessionStore_' . $params['adapter'], false))
		{
			if ($adapter = $params['adapter'])
			{
				$myInfo = $this->factory->getPlug('SparkSession');
				$plugDir = dirname($myInfo['file']);

				require($plugDir . '/sparksessionstore.php');
				$this->factory->loadClass('SparkSessionStore', true);
				require($plugDir . '/adapters/' . SparkInflector::decamelize($adapter) . '.php');
			}
		}

		return $this->factory->manufacture($adapterClass, $params);
	}	

	// --------------------------------------------------------------------------
}
